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GRUNDIG Service
Hauptplatte / Main Board – Scaler
L110
1
VPANEL
120R/100MHZ
C132
1uF/25V
11
RXE3+/BA2
12
4
RXE3-/BA3
R833 0R/N C
I2C_SDA
RXEC+/BA4
R133 10K*
+3.3V
RXEC-/BA5
R138 0R
RXE2+/BA6
GND
RXE2-/BA7
13
RXE1+/GA0
3
RXE1-/GA1
R835 0R/N C
RXE0+/GA2
I2C_SCL
R134 1K
RXE0-/GA3
+3.3V
R193 0R*
RXO3+/GA6
GND
RXO3-/GA7
RXOC+/RA0
+3.3V
RXOC-/RA1
R194
10K
R195
T101
DCR_ON
BC847B
10K
DCRONL OW_OFFHIGH
GND
BR_IN
BR_OUT
4
switch on (trigger: S202-13)
≥
•
‹
›
·
2
LVDS I/F
I2C_SCL
S103
I2C_SDA
GND
30
P30
29
34
P29
P32
28
P28
27
P27
26
GND
P26
ST.BY
25
P25
#RESET
24
P24
23
P23
22
P22
21
P21
20
P20
19
P19
18
P18
17
P17
16
P16
15
P15
14
P14
13
P13
12
RXO2+/RA2
P12
11
P11
10
RXO2-/RA3
P10
9
P9
8
RXO1+/RA4
P8
7
P7
6
RXO1-/RA5
P6
5
P5
4
RXO0+/RA6
P4
3
P3
2
33
RXO0-/RA7
P2
P31
1
P1
RX_Scart2
*
GND
TX_Scart2
R197
R196
DVB_CVBS
100R
100R
BR_IN
BR_OUT
!
ª
fi
IDTV\Combo Interface
ForC ombo
L111
+5V
3A
L104
+5V_SW
3A
S102
L105
1
+12V
1
2
2
3A
3
3
ForI DTV
4
4
5
5
C131
6
6
7
1uF
7
+3.3V
8
+5V
8
GND
9
L114
9
3A
10
10
11
+5V_SW
11
12
RTC_INT
12
13
13
14
14
15
15
DVB_COMMPORT
16
16
17
17
18
18
19
19
ST.BY
R141
22
20
20
21
R139
22
#RESET
21
22
22
23
R142
22
RX_DVB
23
R143
22
24
TX_DVB
24
25
R122
25
26
AISD
1
2
26
27
AISCK
3
4
27
28
5
6
28
29
AIWS
7
8
29
30
30
31
31
32
32
R144
47r
33
SPDIF_IN
33
DVB_CVBS
34
34
R123
47R
35
ITU656_7
1
2
35
36
ITU656_6
3
4
36
37
ITU656_5
5
6
37
38
ITU656_4
7
8
38
R124
47R
39
ITU656_3
1
2
39
40
ITU656_2
3
4
40
41
ITU656_1
5
6
41
42
ITU656_0
7
8
42
43
43
44
R140
22
ITU_CLK
44
45
45
46
RX_Scart2
46
47
TX_Scart2
47
48
R156
48
49
DVB_CVBS
49
50
47R
50
FFCCONNECTOR_50PIN
R155
GND
*
GND
@
º
fl
2 - 36
Chassis BL (LX prime IDTV)
IDTV Interface
29
30
ST.BY
31
TS_START
TS_VALID
L112
TS_CLK
TS_DATA0
32
TS_DATA1
3A
TS_DATA2
L324
TS_DATA3
TS_DATA4
3A
C392
TS_DATA5
1uF
TS_DATA6
TS_DATA7
GND
SDA_COFDM
28
ANTPOWER
ANTPOWER
SCL_COFDM
27
RESET_COFDM
R399
22
RX_DVB
33
R398
22
TX_DVB
Reset_DVB
R397
22
26
AISCK
SPDIF_IN
34
AISD
35
AIWS
36
C425
47nF
RX_Scart2
TX_Scart2
R400
R265
47R
ITU_CLK
39
*
R263
47R
ITU656_7
1
2
37
ITU656_6
3
4
ITU656_5
5
6
GND
ITU656_4
7
8
R264
47R
ITU656_3
1
2
ITU656_2
3
4
ITU656_1
5
6
ITU656_0
7
8
38
power on (trigger: +3.3V)
#
§
⁄
¤
‡
°
S329
FFCCONNECTOR_45PIN
45
P45
44
GND
P44
43
P43
42
P42
41
P41
40
P40
39
P39
38
P38
37
P37
36
P36
35
P35
34
P34
33
P33
32
P32
31
P31
30
P30
29
P29
28
P28
27
P27
26
P26
25
P25
24
P24
23
P23
22
P22
21
P21
20
P20
19
P19
18
P18
17
P17
16
P16
15
P15
14
P14
13
P13
12
P12
11
P11
10
P10
9
P9
8
P8
7
P7
6
P6
5
P5
4
P4
3
P3
2
P2
1
P1
GND
GND
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